Actress Halsey appeared at the grand conference of the Avalon Flip in Hollywood, wearing a colorful plaid skirt Actress Halsey appeared at the grand conference of the Avalon Flip in Hollywood, wearing a colorful plaid skirt Actress Halsey appeared at the grand conference of the Avalon Flip in Hollywood, wearing a colorful plaid skirt Actress Halsey appeared at the grand conference of the Avalon Flip in Hollywood, wearing a colorful plaid skirt